只眼独具

zhī yǎn dú jù

see 獨具隻眼|独具只眼[du2 ju4 zhi1 yan3]

zhī

classifier for birds and certain animals, one of a pair, some utensils, vessels etc

yǎn

eye (CL:隻|只[zhi1],雙|双[shuang1])

alone

tool